23-11-2017 дата публикации
Номер: US20170334185A1
Принадлежит:
Disclosed are a lamination film and a method for preparing the same. The lamination film includes a printed or coated color layer, an aluminum-coated layer, a reinforced aluminum-coated resin layer, a molded resin layer, a film layer, a base coat layer and a hot melt adhesive layer which are sequentially arranged. 1. A lamination film , comprising a printed or coated color layer , an aluminum-coated layer , a reinforced aluminum-coated resin layer , a molded resin layer , a film layer , a base coat layer and a hot melt adhesive layer which are sequentially arranged , whereinthe molded resin layer is provided with a first pattern formed with a plurality of pyramid-shaped notches and capable of glittering under lights and a second pattern formed with a plurality of grating-shaped notches and capable of anti-counterfeiting encryption with laser holographythe pyramid-shaped notch is in at least one of a rectangular shape and a hexagonal shape,a depth of the pyramid-shaped notch is 10 μm to 20 μm,a depth of the grating-shaped notch is below 1 μm.2. The lamination film according to claim 1 , wherein the film layer is a casting polypropylene claim 1 , polyvinyl chloride or polyester film layer claim 1 , and a thickness of the film layer is 40 to 160 μm.3. The lamination film according to claim 1 , wherein the hot melt adhesive layer comprises one or more of ethylene-vinyl acetate (EVA) copolymer claim 1 , ethylene-methyl acrylate (EMA) copolymer and ethylene-acrylic acid (EAA) copolymer.4. The lamination film according to claim 1 , wherein the base coat layer is made from an aqueous solution of polyethyleneimine claim 1 , ethylene-acrylic acid copolymer or polymer polyester claim 1 , and has a dry weight of 0.07 g/mand a thickness of 0.02 μm to 0.04 μm.5. The lamination film according to claim 1 , wherein the printed or coated color layer has a dry weight of 0.02 g/mto 0.07 g/mand a solid content of614-. (canceled)15. The lamination film according to claim 2 , wherein the ...
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